ISO/TC 256/WG 8 - Colorants and extenders for coating materials, plastics, paper and printing inks

This document specifies the requirements and corresponding test methods for artificial ultramarine pigments in plastics, paints, rubbers, etc.

This document specifies requirements and corresponding methods of test for precipitated silica.

This document specifies requirements and corresponding methods of test for fumed silica.

This document gives the definition for the term extender and specifies test methods that are required for most of the subsequent parts of ISO 3262. NOTE The subsequent parts of ISO 3262 specify requirements and the corresponding methods of test for extenders for use in paints, related coating materials and other applications.